#0925
import keyword

if True:
    print("hello world")
    print("hello world")
    print("hello world")
    print("hello world")
else:
    print("hello world")
    print("hello world")
    print("hello world")
    print("hello world")
print(11111)
print(keyword.kwlist)
#弱类型语言
num=10
print(type(num))
num="hello"
print(type(num))
year=int(input("请输入年份:"))
print("您输入的年份是：",year)
str1='h'
str2='l'
str3='s'
print(str1,str2,str3,sep='-',end='\t')
print(88888888)